Fix various quirks with CSV import widget and parser

* Fixes #11502 - correct improper handling of text qualifiers

* Improve layout of csv import widget
* Hide error messages when trying to import again
This commit is contained in:
Jonathan White 2024-11-29 14:41:43 -05:00
parent 244ed42231
commit 1b1643b5d1
8 changed files with 248 additions and 120 deletions

View file

@ -22,6 +22,18 @@
QTEST_GUILESS_MAIN(TestCsvParser)
void TestCsvParser::writeToFile(const QString& contents)
{
if (!file->open()) {
QFAIL("Cannot open temporary file!");
}
QTextStream out(file.data());
out.setCodec("UTF-8");
out << contents;
out.flush();
file->close();
}
void TestCsvParser::initTestCase()
{
parser.reset(new CsvParser());
@ -30,9 +42,7 @@ void TestCsvParser::initTestCase()
void TestCsvParser::init()
{
file.reset(new QTemporaryFile());
if (not file->open()) {
QFAIL("Cannot open file!");
}
parser->setBackslashSyntax(false);
parser->setComment('#');
parser->setFieldSeparator(',');
@ -47,36 +57,34 @@ void TestCsvParser::cleanup()
/****************** TEST CASES ******************/
void TestCsvParser::testMissingQuote()
{
writeToFile("A,B\n:BM,1");
parser->setTextQualifier(':');
QTextStream out(file.data());
out << "A,B\n:BM,1";
QEXPECT_FAIL("", "Bad format", Continue);
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(!parser->parse(file.data()));
QWARN(parser->getStatus().toLatin1());
}
void TestCsvParser::testMalformed()
{
writeToFile("A,B,C\n:BM::,1,:2:");
parser->setTextQualifier(':');
QTextStream out(file.data());
out << "A,B,C\n:BM::,1,:2:";
QEXPECT_FAIL("", "Bad format", Continue);
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(!parser->parse(file.data()));
QWARN(parser->getStatus().toLatin1());
}
void TestCsvParser::testBackslashSyntax()
{
// attended result: one"\t\"wo
writeToFile("Xone\\\"\\\\t\\\\\\\"w\noX\n"
"X13X,X2\\X,X,\"\"3\"X\r"
"3,X\"4\"X,,\n"
"XX\n"
"\\");
parser->setBackslashSyntax(true);
parser->setTextQualifier(QChar('X'));
QTextStream out(file.data());
// attended result: one"\t\"wo
out << "Xone\\\"\\\\t\\\\\\\"w\noX\n"
<< "X13X,X2\\X,X,\"\"3\"X\r" << "3,X\"4\"X,,\n"
<< "XX\n"
<< "\\";
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.at(0).at(0) == "one\"\\t\\\"w\no");
@ -93,9 +101,9 @@ void TestCsvParser::testBackslashSyntax()
void TestCsvParser::testQuoted()
{
QTextStream out(file.data());
out << "ro,w,\"end, of \"\"\"\"\"\"row\"\"\"\"\"\n"
<< "2\n";
writeToFile("ro,w,\"end, of \"\"\"\"\"\"row\"\"\"\"\"\n"
"2\n");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.at(0).at(0) == "ro");
@ -107,8 +115,6 @@ void TestCsvParser::testQuoted()
void TestCsvParser::testEmptySimple()
{
QTextStream out(file.data());
out << "";
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.isEmpty());
@ -116,8 +122,8 @@ void TestCsvParser::testEmptySimple()
void TestCsvParser::testEmptyQuoted()
{
QTextStream out(file.data());
out << "\"\"";
writeToFile("\"\"");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.isEmpty());
@ -125,8 +131,8 @@ void TestCsvParser::testEmptyQuoted()
void TestCsvParser::testEmptyNewline()
{
QTextStream out(file.data());
out << "\"\n\"";
writeToFile("\"\n\"");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.isEmpty());
@ -141,8 +147,8 @@ void TestCsvParser::testEmptyFile()
void TestCsvParser::testNewline()
{
QTextStream out(file.data());
out << "1,2\n\n\n";
writeToFile("1,2\n\n\n");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 1);
@ -152,8 +158,8 @@ void TestCsvParser::testNewline()
void TestCsvParser::testCR()
{
QTextStream out(file.data());
out << "1,2\r3,4";
writeToFile("1,2\r3,4");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 2);
@ -165,8 +171,8 @@ void TestCsvParser::testCR()
void TestCsvParser::testLF()
{
QTextStream out(file.data());
out << "1,2\n3,4";
writeToFile("1,2\n3,4");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 2);
@ -178,8 +184,8 @@ void TestCsvParser::testLF()
void TestCsvParser::testCRLF()
{
QTextStream out(file.data());
out << "1,2\r\n3,4";
writeToFile("1,2\r\n3,4");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 2);
@ -191,11 +197,12 @@ void TestCsvParser::testCRLF()
void TestCsvParser::testComments()
{
QTextStream out(file.data());
out << " #one\n"
<< " \t # two, three \r\n"
<< " #, sing\t with\r" << " #\t me!\n"
<< "useful,text #1!";
writeToFile(" #one\n"
" \t # two, three \r\n"
" #, sing\t with\r"
" #\t me!\n"
"useful,text #1!");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 1);
@ -205,10 +212,10 @@ void TestCsvParser::testComments()
void TestCsvParser::testColumns()
{
QTextStream out(file.data());
out << "1,2\n"
<< ",,,,,,,,,a\n"
<< "a,b,c,d\n";
writeToFile("1,2\n"
",,,,,,,,,a\n"
"a,b,c,d\n");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(parser->getCsvCols() == 10);
@ -216,10 +223,10 @@ void TestCsvParser::testColumns()
void TestCsvParser::testSimple()
{
QTextStream out(file.data());
out << ",,2\r,2,3\n"
<< "A,,B\"\n"
<< " ,,\n";
writeToFile(",,2\r,2,3\n"
"A,,B\"\n"
" ,,\n");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 4);
@ -239,11 +246,12 @@ void TestCsvParser::testSimple()
void TestCsvParser::testSeparator()
{
writeToFile("\t\t2\r\t2\t3\n"
"A\t\tB\"\n"
" \t\t\n");
parser->setFieldSeparator('\t');
QTextStream out(file.data());
out << "\t\t2\r\t2\t3\n"
<< "A\t\tB\"\n"
<< " \t\t\n";
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 4);
@ -263,10 +271,11 @@ void TestCsvParser::testSeparator()
void TestCsvParser::testMultiline()
{
writeToFile(":1\r\n2a::b:,:3\r4:\n"
"2\n");
parser->setTextQualifier(QChar(':'));
QTextStream out(file.data());
out << ":1\r\n2a::b:,:3\r4:\n"
<< "2\n";
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.at(0).at(0) == "1\n2a:b");
@ -275,41 +284,34 @@ void TestCsvParser::testMultiline()
QVERIFY(t.size() == 2);
}
void TestCsvParser::testEmptyReparsing()
{
parser->parse(nullptr);
QVERIFY(parser->reparse());
t = parser->getCsvTable();
QVERIFY(t.isEmpty());
}
void TestCsvParser::testReparsing()
{
QTextStream out(file.data());
out << ":te\r\nxt1:,:te\rxt2:,:end of \"this\n string\":\n"
<< "2\n";
writeToFile(":te\r\nxt1:,:te\rxt2:,:end of \"this\n string\":\n"
"2\n");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QEXPECT_FAIL("", "Wrong qualifier", Continue);
QVERIFY(t.at(0).at(0) == "te\nxt1");
QCOMPARE(t.at(0).at(0), QString(":te"));
parser->setTextQualifier(QChar(':'));
QVERIFY(parser->reparse());
t = parser->getCsvTable();
QVERIFY(t.at(0).at(0) == "te\nxt1");
QVERIFY(t.at(0).at(1) == "te\nxt2");
QVERIFY(t.at(0).at(2) == "end of \"this\n string\"");
QVERIFY(t.at(1).at(0) == "2");
QVERIFY(t.size() == 2);
QCOMPARE(t.at(0).at(0), QString("te\nxt1"));
QCOMPARE(t.at(0).at(1), QString("te\nxt2"));
QCOMPARE(t.at(0).at(2), QString("end of \"this\n string\""));
QCOMPARE(t.at(1).at(0), QString("2"));
QCOMPARE(t.size(), 2);
}
void TestCsvParser::testQualifier()
{
writeToFile("X1X,X2XX,X,\"\"3\"\"\"X\r"
"3,X\"4\"X,,\n");
parser->setTextQualifier(QChar('X'));
QTextStream out(file.data());
out << "X1X,X2XX,X,\"\"3\"\"\"X\r" << "3,X\"4\"X,,\n";
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();
QVERIFY(t.size() == 2);
@ -328,10 +330,9 @@ void TestCsvParser::testUnicode()
// CORRECT QString g("\u20AC");
// CORRECT QChar g(0x20AC);
// ERROR QChar g("\u20AC");
writeToFile("€1A2śA\"3śAż\"Ażac");
parser->setFieldSeparator(QChar('A'));
QTextStream out(file.data());
out.setCodec("UTF-8");
out << QString("€1A2śA\"3śAż\"Ażac");
QVERIFY(parser->parse(file.data()));
t = parser->getCsvTable();